Answer:
a substance that increases the rate of a chemical reaction without itself undergoing any permanent chemical change.
"chlorine acts as a catalyst promoting the breakdown of ozone"
a person or thing that precipitates an event.
"the governor's speech acted as a catalyst for debate"
Explanation:
hope its help
If two roan cattle were crossed, what percent of the offspring would you expect to have a roan coat? Fill in the blank text field 1
Answer:
50%
Explanation:
I just did the question
If two roan cattle were crossed, then 50% percent of the offspring are expected to have a roan coat color.
A heterozygous individual is an organism that carries out two different alleles for the same gene locus.In this case, the 'roan' coat color is observed in heterozygous individuals (genotype R1R2).In consequence, the cross between two heterozygous individuals will produce a progeny in a 1:2:1 proportion.In conclusion, if two roan cattle were crossed, then 50% percent of the offspring are expected to have a roan coat color.
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It is the amount of money that a seller sets for the item or product for sale?
Answer:
Expenses
Explanation:
Reproductive system when running
Female-
Male-
Own words 10 pts
both vascular and nonvascular plants are
a. small
b. autotrophs
c. heterotrophs
d. large
Answer:
a. is the correct answer of this question
Why is lactic acid the end product of fermentation and not the PYRUVATE molecule?
Answer:
Well the main difference would be that lactic Fermentation doesn't use oxygen while the Pyruvate cycle does
Explanation:
Lactic Fermentation is Anaerobic Respiration
The cycle that uses Pyruvate is Aerobic Respiration
If a dormant volcano starts to release gases and small earthquakes are recorded, what could this mean?
Answer: It means that its showing some volcanic activity that could lead into an eruption.
Explanation: Dormant volcanoes can show activity/signs that is could erupt. Gases, small earthquakes, loud explosions are signs of an eruption is going to occur. If a dormant volcano hasn't showed any activity for 2,000 years, its considered to be dead or extinct.
It indicates that there is some volcanic activity, which could lead to an eruption.
What is dormant volcano?Dormant volcanoes are those that have not erupted in a long time but are expected to do so in the future. Mount Kilimanjaro in Tanzania, Africa, and Mount Fuji in Japan are examples of dormant volcanoes.
Volcanoes become dormant when magma from the Earth's mantle can no longer reach them. Mount Rainier and Mount Fuji are examples of dormant volcanoes that are "sleeping" but may awaken in the future.
Dormant volcanoes can exhibit activity/signs that they are about to erupt. Gases, small earthquakes, and loud explosions are all indicators that an eruption is about to occur.
If a dormant volcano hasn't erupted in 2,000 years, it's considered dead or extinct.
Thus, this way, it indicates that it could lead to eruption.
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Directions: Write the word TRUE if the statement is correct and if not, underline the word or statement incorrect and correct answer on the space provided.
write
1. All x-ray are dangerous because they can damage healthy living cells of the body.
2. Ultraviolet in sunlight radiation produces vitamin D in the skin and gives us tanning effect
3. Microwaves can penetrate the atmosphere of the earth.
4. Radio wave used to transmit sound and picture information over long distance.
5. Infrared wave also damage cells, causing mutation.
6. Gamma rays is absorbed by water molecules, so it can be used for cooking.
7. Over-exposure to UV radiation may cause skin cancer.
8. Low frequency waves are suitable for communication over great distances.
9. Most EM waves are visible to the eye of humans and animals.
10. Visible light are used by banks to check the signature on a passbook.
Modified True or False.
Answer:It can come from unstable atoms that undergo radioactive decay, or it ... Ionizing radiation can affect the atoms in living things, so it poses a health risk by ... Ionizing radiation comes from x-ray machines, cosmic particles from ... However, as with alpha-emitters, beta-emitters are most hazardous
Explanation:
Translate this RNA strand into amino acids
3’-UCAAGUCAUUAG-5’
________________________________
Answer:
AGUUCAGUAAUC
Explanation:
This might be slightly wrong, it was somewhat difficult for me to keep up with which letter I was on. Adenine always pairs with Uracil and Guanine always pairs with Cytosine.
Amino acids for given RNA strand is Serine - Leucine - Cysteine - Aspartic acid - Leucine.
There are 20 amino acids that are present in nature and are necessary for a number of biological functions. Although the molecular structures of these amino acids vary, they all have a core backbone made up of an amino group, a carboxyl group, and a side chain. Each amino acid is distinct due to its side chain, which also gives it special characteristics and abilities. Hydrophobic, hydrophilic, acidic, basic, and aromatic side chains can all be divided into different categories. How amino acids interact with their surroundings and other compounds is determined by this classification. Amino acids for given RNA strand is Serine - Leucine - Cysteine - Aspartic acid - Leucine.
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Predict: Why aren't all organisms made of just one cell?
Why do cells divide, instead of simply growing larger?
The living beings that are comprised of more than one sort of cell are known as Multicellular Organisms.
Why organisms are made up of cells?These organelles are liable for an assortment of cell capacities, for example, acquiring supplements, creating energy, and making proteins. Unicellular living beings are comprised of just a single cell that completes each of the capacities required by the organic entity, while multicellular creatures utilize various cells to work.
Cells divide because:
Cells need to separate for your body to develop and for body tissue, for example, skin to restore itself ceaselessly.
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Which apparatus allows us to appreciate the cell internal structures more clearly?
Answer: a light microscope is likely the answer they are after (can get to micrometer range)
an electron microscope is even more powerful it can get into the nanometer range
Explanation:
After fertilization the embryo will leave the oviduct to be _________in the uterus *
Cultured
implanted
Fertilized
Pollinated
Answer:
Implanted is the correct answer.
compare and contrast the structure of prokaryotic and eukaryotic cells.
Answer:
Prokaryotic -Do not have a nucleusHave DNA arranged in a circular chromosomeDo not have membrane bound organellesSmaller in sizeOlderEukaryotic-Have a nucleus, vacuoles, mitochondria Have DNA arranged in a linear chromosomeHave membrane bound organellesLarger in sizeBoth- Contain: cell membrane, cytoplasm, ribosomes, DNAFunction is to make proteinshave certain parts that help them accomplish their function
What is the force of attraction objects have due to their mass
Termination of the abdomen in which the anus is located *
telson
Cheliped
carapace
mandibles
Answer:
Telson
Explanation:
its the last segment of the abdomen.
Please as help! Explain how important has been for animals to have internal fertilization? Provide two
arguments supporting your answer
Answer:
Why is internal Fertilisation important to animals?
Internal fertilization has the advantage of protecting the fertilized egg from dehydration on land. The embryo is isolated within the female, which limits predation on the young.
Explanation:
Environmental pressures for a shark and are the variations due to that pressure?
(ONLY ANSWER IF YOU KNOW)
The excerpt below was written by Henry Stimson in 1941:
The atomic bomb was more than a weapon of terrible destruction, it was a psychological weapon
What did Stimson mean by this statement?
A. US leaders had tricked the Japanese into thinking they were more powerful than they were
B. Skillful use of the atomic bomb could force opponents to make concessions.
C. The atomic bomb was an ineffective way to end war
D. The atomic bomb was not quite as dangerous as many people thought
Answer:
C
Explanation:
The atomic bomb was an ineffective way to end war
Explain- Why are tobacco,alcohol and ultraviolet radiation listed as carcinogens in the table?
When air particles are close together what is it called
Answer:
slavery
Explanation:
because i like bbc
Answer:
Compression
Explanation:
The air particles are being pushed together.
Can i get example of ecosystems that I can investigate during winter?
PLS
ANSWER FOR 44 POINTS!!!! Also please answer it like don’t just put random stuff I actually need help here <3
1. A unit used to measure energy is the kcal.
a. What is the source of all
energy in the pyramid?
b. How much energy does this source provide to a square meter of the Earth per year? (Be sure your
answer includes units.)
2. The arrows represent the energy available to the next level of the pyramid.
a. What percentage of the source energy form question 1 is absorbed by the oak leaves? Divide oak levar got by the total sunlight hitting the earth’s surface.
b. By what process do the oak leaves harness this energy?
3. Describe how the consumers in one level of the pyramid obtain energy from the organisms at the previous level of the pyramid.
a. How much energy per year do caterpillars obtain from eating the leaves in a square meter of the oak tree?
b. What percentages the energy that was originally by the oak leaves is passed in to the caterpillars? Divide ye hat the caterpillars got by wag at leaves got.
c. What percentage of the energy absorbed by the oak leaves is not passed on to the caterpillars?
4. Calculate the percentage of the nervy that is transferred from one level of the pyramid to another for all of the levels?
a. Oak leaves to caterpillars (see question 3b)
b. Caterpillars to blue jays.
c. Blue jays to hawk.
5. Calculate the average percentage of energy that is transferred from one level to another using you answers in question 5. Note that this average percentage transfer is similar for many different types of energy pyramid in nature.
6. Explain why an energy pyramid in any ecosystem typically is limited to four or five levels only.
Answer:
If you use this link it gives you most of the answers, if you want I can try to find another link to help with the rest of the questions if you want me to
Explanation:
https://quizlet.com/_30xwac?x=1jqt&i=1ilexf
Answer:
What is the source of all energy in the pyramid in Model 1
Sunlight hitting the earth's surface
How much energy does this source provide to a square meter of the Earth per year? (be sure your answer includes units)
3,190,000 kcals
Label the pyramid levels in Model 1 with the following: primary producers, primary consumers, secondary consumers, and tertiary consumers
Oak tree leaves are the primary producers
Caterpillars are the primary consumers
Blue Jays are the secondary consumers
Hawks are the tertiary consumers
What percentage of the source energy from question 1a is absorbed by the oak leaves in Model 1?
8 %
By what process do the oak leaves harness this energy?
photosynthesis
Describe how the consumers in one level of the pyramid obtain energy from the organisms at the previous level of the pyramid
By consuming them
How much energy per year do the caterpillars in Model 1 obtain from eating the leaves in a square meter of the oak tree?
4,000 kcal
What percentage of the energy that was originally absorbed by the oak tree leaves is passed on to the caterpillars
13.5%
What percentage of the energy absorbed by the oak leaves is not passed on to the caterpillars
84.3%
With your group, list at least three possible uses and/or products of the energy absorbed by the oak leaves that did not contribute to the production of biomass.
Photosynthesis, heat, leaves changing colors
The organisms that are most likely present in the largest numbers are
А
Microscopic algae
B
Herring gull
С
Crab
D
Common seals
Answer:
Microscopic algae should be the answer
relate diffusion and equilibruim
7) What percentage of ppm of dissolved oxygen indicates good water quality?
a) 6.7
b) 8
c) 4.5
d) Below 4.5
Answer:
The answer is c. 4.5
How many parts can be distinguished in the cerebellum?
Answer:
three lobes
Explanation:
Explanation:
Based on the surface appearance, three lobes can be distinguished within the cerebellum: the anterior lobe (above the primary fissure), the posterior lobe (below the primary fissure), and the flocculonodular lobe (below the posterior fissure).MARK ME AS BRAINLISTHelp with this please
Answer:
ok sike i lied you thought i tried
Explanation:
Calculate the mass of the book on the moon.
On moon surface gravity (g) is 1.6 N/kg
Answer:
The Moon has a smaller mass than the Earth and so the pull of gravity by the moon on an object is smaller than on the earth. The moon has a smaller gravitational field strength. On the Moon, g = 1.6 N/kg.
Explanation:
if u like this answer plz mark as brainlist and follow me
4. Which of the following is true about a mutation? A.) it is always damaging to a person B.) it never harms the next generation D.)it may harm the next generation C.) it never passes down diseases
Answer:
D
Explanation:
Mutation can be harmful and it can have no effect.
Answer:
d
Explanation:
it is d because it just is so yw
All animals have the same tolerance range.
True
False
Answer:
False
Explanation: Diffrent animals have different tolerance ranges
HELP ASAP please i need it
Answer:
nearmess to mountain ranges
Explanation: